| mycology |
the branch of botany devoted to the study of fungi. [2 definitions] |
| mycosis |
any disease in humans or animals that is caused by a fungus. |
| mydriasis |
excessive or prolonged dilation of the eye's pupil, as from illness or the use of a drug. (Cf. miosis.) |
| myelin |
soft, white, fatty matter that sheathes certain nerve fibers. |
| myelitis |
inflammation of the spinal cord. [2 definitions] |
| myelo- |
spinal cord; marrow. |
| myelogenous |
of, relating to, or produced by the bone marrow. |
| myelogram |
an x-ray photograph of the spinal cord that is taken after a radiopaque substance has been administered. |
| myeloma |
a malignant tumor affecting bone marrow. |
| Mylar |
trademark for an extremely strong, thin polyester produced in sheets and used to make tapes, films, and the like. |
| myna |
any of several blackish, yellow-billed Asian birds related to starlings, of which certain species are known for their mimicry of human speech sounds. |
| myo- |
muscle. |
| myocardiograph |
an instrument that records the actions of the heart muscle. |
| myocardium |
the muscular tissue of the heart. |
| myopia |
a visual defect in which distant images are focused in front of rather than on the retina; nearsightedness. (Cf. hyperopia.) [2 definitions] |
| myopic |
concerning or having myopia; nearsighted. [2 definitions] |
| myosin |
any of a family of proteins that hydrolyzes ATP to produce motion, as in muscle contraction. |
| myriad |
a large but indefinite number. [3 definitions] |
| myriapod |
any of various arthropods that have a long segmented body with numerous pairs of legs, such as the centipedes and millipedes. [2 definitions] |
| myrrh |
a sweet-smelling gum exuded by several related trees and shrubs native to India, Arabia, and East Africa, and used in perfume and incense. |
| myrtle |
any of several shrubs, esp. one found in the Mediterranean region and western Asia, that have evergreen leaves and bear pink or white flowers and aromatic, dark blue berries. [2 definitions] |